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System Management Unit FirmwareOperating system · Hitachi

CVE-2023-6538

MEDIUM · 6.5 CVSS v3.1 Published 2023-12-11
Fix available
A fix is available. Upgrade to 14.8.7825.01 or later.
See remediation →
71/100
Remediation priority · Elevated
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
SMU versions prior to 14.8.7825.01 are susceptible to unintended information disclosure, through URL manipulation. Authenticated users in Storage, Server or combined Server+Storage administrative roles are able to access SMU configuration backup, that would normally be barred to those specific administrative roles.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

This is an improper authorization vulnerability in SMU (System Management Unit) where authenticated users with Storage, Server, or combined Server+Storage administrative roles can access configuration backup files through manipulated URLs, bypassing intended role-based access restrictions.

MitigationUpgrade SMU to version 14.8.7825.01 or later. Until then, monitor access logs for unauthorized configuration backup access attempts and implement additional application-layer access controls.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
System Management Unit FirmwareOperating system
Affected:< 14.8.7825.01

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify SMU firmware version
    Access the SMU administrative interface and navigate to System > Firmware Information or use the CLI command 'show system-info' to retrieve the firmware version number
    Affected if The installed firmware version is lower than 14.8.7825.01
  2. Verify role-based user accounts
    Review the SMU user management section to confirm the existence of users assigned Storage, Server, or combined Server+Storage administrative roles
    Affected if Users with Storage, Server, or Server+Storage roles exist in the SMU
  3. Test URL-based configuration backup access
    Using an authenticated session with a Storage or Server role user, attempt to access configuration backup file URLs that would normally be restricted to higher-privileged roles (e.g., manipulate URLs containing '/backup/', '/config/export/', or similar paths)
    Affected if A user with Storage or Server role can access configuration backup files through manipulated URLs
  4. Review audit logs for unauthorized backup access
    Examine SMU audit and access logs for entries indicating configuration backup file downloads by users with Storage, Server, or combined Server+Storage roles
    Affected if Logs show configuration backup file access by users lacking full administrative privileges

The environment is affected if the SMU firmware version is below 14.8.7825.01 AND users with Storage, Server, or Server+Storage roles can access configuration backup files through manipulated URLs.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 14.8.7825.01 or later
Fixed in 14.8.7825.01
Interim mitigation

Upgrade SMU to version 14.8.7825.01 or later. Until then, monitor access logs for unauthorized configuration backup access attempts and implement additional application-layer access controls.

Recommended fix Moderate confidence

SMU firmware version 14.8.7825.01 or later

  1. Verify current SMU firmware version by accessing the System Management Unit web interface or using the appropriate CLI command
  2. Download the SMU firmware version 14.8.7825.01 or later from the official Hitachi Vantara support portal
  3. Review the firmware release notes for any prerequisites or special instructions
  4. Backup the current SMU configuration before proceeding with the upgrade
  5. Access the SMU firmware upgrade interface (typically found in System Settings > Firmware Update or similar)
  6. Upload the downloaded firmware file (14.8.7825.01 or later) to the SMU
  7. Initiate the firmware upgrade process and monitor for successful completion
  8. Verify the upgrade was successful by checking the new firmware version
Caveat Review release notes for any changes to administrative role permissions or backup/restore functionality; firmware upgrades may require brief system downtime

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in System Management Unit Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-6538 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data